.aaa {
  position: absolute;
  width: 600px;
  height: 600px;
  left: 10px;
  top: 50px;
  z-index: 999;
}

.button-container {
  position: absolute;
  z-index: 99;
  left: 100px;
  top: 20px;
  border-radius: 10px;
  text-align: center;
  z-index: 9999;
}